An evacuation is a defensive mechanism used to escape an impending disaster. The most commonly used means of evacuating is by personal vehicle; however, as previous disasters have shown not everyone has access to personal transportation. Therefore, the relationship between vulnerability and public transportation availability was evaluated across the State of North Dakota (ND). The evaluation included a review of common terminology and characteristics used to describe vulnerability in both the fields of emergency management and public transportation. Overlapping vulnerability characteristics were ranked across the 53 ND counties to determine average levels of vulnerability. Vulnerability was then evaluated against the level of public transportation available to determine the Evacuation Vulnerability Grade (EVG). The resulting EVG is used to demonstrate the relative preparedness of one location to another based on the number of vulnerable individuals and public transportation available.